CA1145048A - Bar code reader - Google Patents

Bar code reader

Info

Publication number
CA1145048A
CA1145048A CA000350759A CA350759A CA1145048A CA 1145048 A CA1145048 A CA 1145048A CA 000350759 A CA000350759 A CA 000350759A CA 350759 A CA350759 A CA 350759A CA 1145048 A CA1145048 A CA 1145048A
Authority
CA
Canada
Prior art keywords
light
apertures
indicia
tracks
sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000350759A
Other languages
English (en)
French (fr)
Inventor
Barry E. Passer
George A. Sculley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Voyix Corp
Original Assignee
NCR Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NCR Corp filed Critical NCR Corp
Application granted granted Critical
Publication of CA1145048A publication Critical patent/CA1145048A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process
    • G06K7/0163—Synchronisation of sensing process by means of additional timing marks on the record-carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10732—Light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Character Input (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
CA000350759A 1979-05-14 1980-04-28 Bar code reader Expired CA1145048A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/039,013 US4283622A (en) 1979-05-14 1979-05-14 Bar code reader
US039,013 1987-04-15

Publications (1)

Publication Number Publication Date
CA1145048A true CA1145048A (en) 1983-04-19

Family

ID=21903182

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000350759A Expired CA1145048A (en) 1979-05-14 1980-04-28 Bar code reader

Country Status (6)

Country Link
US (1) US4283622A (de)
EP (1) EP0029056B1 (de)
JP (1) JPH024956B2 (de)
CA (1) CA1145048A (de)
DE (1) DE3071839D1 (de)
WO (1) WO1980002615A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2563644B1 (fr) * 1984-04-26 1988-06-03 Smh Alcatel Tete de lecture de marques portees par un document
DE3440052A1 (de) * 1984-11-02 1986-05-07 Pees Steuer- und Regelanlagen GmbH, 4100 Duisburg Leseeinrichtung fuer vorbeibewegte, mit einem datentraeger versehene transportgueter oder -behaelter
US4641018A (en) * 1984-11-09 1987-02-03 Ncr Corporation Bar code and reading and decoding device
US4801789A (en) * 1986-07-07 1989-01-31 Videx, Inc. Replaceable reader head for optical code reader
US5028769A (en) * 1986-08-20 1991-07-02 Emhart Industries, Inc. Device for reading a mold code on a glass bottle
US4772048A (en) * 1986-11-14 1988-09-20 Ncr Corporation Multiple ply document
US4856820A (en) * 1987-01-21 1989-08-15 Wright Line Inc. Coding system
US4772049A (en) * 1987-06-01 1988-09-20 Ncr Corporation Multiple ply document
US5984189A (en) * 1987-09-04 1999-11-16 Tomioka; Makoto Sheet for data codes and method of recognizing these codes
US5304786A (en) * 1990-01-05 1994-04-19 Symbol Technologies, Inc. High density two-dimensional bar code symbol
US5018719A (en) * 1990-03-16 1991-05-28 Ncr Corporation Aligner mechanism for aligning a document in a business machine
US5233171A (en) * 1990-09-13 1993-08-03 Minnesota Mining And Manufacturing Company Optical reader with power isolation
DE69111251T2 (de) * 1990-12-21 1995-12-21 Minnesota Mining & Mfg Zweistreifen-xor-strichcode und optischer leser.
IL98337A (en) * 1991-06-02 1995-01-24 Pinchas Schechner Control of production processes with the help of multi-branched bar code readers
US5399845A (en) * 1993-06-28 1995-03-21 Manucy, Iii; Leslie G. Optical data detecting apparatus and method
IL131894A0 (en) * 1997-04-08 2001-03-19 Zebra Technologies Corp Distortion resistant double-data correcting color ransition barcode and method ofgenerating and using same
US7287984B2 (en) * 2002-10-15 2007-10-30 Techenable, Inc. System and method for providing a visual language for non-reading sighted persons
US7835545B2 (en) * 2002-10-15 2010-11-16 Techenable, Inc. System and method for providing a visual language for non-reading sighted persons
US20100030590A1 (en) * 2008-08-01 2010-02-04 Sodaro Donald E Centralized multi-property management system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417234A (en) * 1962-06-21 1968-12-17 Svenska Dataregister Ab Record reading apparatus and method
US3539777A (en) * 1967-01-09 1970-11-10 Ibm Data sensing system
US3474234A (en) * 1967-10-03 1969-10-21 Monarch Marking Systems Inc Encoder tag reader
CH512115A (de) * 1969-08-12 1971-08-31 Ciba Geigy Ag Photoelektrische Abtastvorrichtung
US3746840A (en) * 1970-07-02 1973-07-17 Westinghouse Electric Corp Resolution improvement for optical scanners
CA961158A (en) * 1971-01-08 1975-01-14 Bruce W. Dobras Optical reader
GB1339977A (en) * 1971-04-21 1973-12-05 Ncr Co Data sensing and decoding system
US3737628A (en) * 1971-06-11 1973-06-05 Automatic Corp Automatically programmed test grading and scoring method and system
NO141283L (de) * 1973-07-03 1900-01-01
US3904110A (en) * 1973-07-27 1975-09-09 Compucorp Large mark tolerance card reader
JPS5295243A (en) * 1976-02-06 1977-08-10 Ricoh Co Ltd Method of reading information
JPS5336142A (en) * 1976-09-16 1978-04-04 Seiko Epson Corp Sensor arranging system
CH616254A5 (de) * 1977-06-21 1980-03-14 Landis & Gyr Ag
JPS5449023A (en) * 1977-09-27 1979-04-18 Nec Corp Detection system for bar code

Also Published As

Publication number Publication date
EP0029056B1 (de) 1986-11-20
DE3071839D1 (en) 1987-01-08
EP0029056A4 (de) 1983-09-26
JPS56500553A (de) 1981-04-23
US4283622A (en) 1981-08-11
JPH024956B2 (de) 1990-01-31
WO1980002615A1 (en) 1980-11-27
EP0029056A1 (de) 1981-05-27

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Legal Events

Date Code Title Description
MKEX Expiry